Tech

getty images

San Francisco

Coverage: Citywide network of 1,500 hot spots

Expected completion: Late 2006 or early 2007

Cost to build: $8 million to $10 million

Vendor: EarthLink, with partners Google, Motorola and Tropos Networks

Cost to users: None for basic, ad-supported service at low upload/download speed; as much as $20 a month for faster speeds

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